CVE-2025-6688 CRITICAL

CVE-2025-6688: Simple Payment 1.3.6 - 2.3.8 - Authentication Bypass to Admin

Vendor Idokd
Product Simple Payment
Weakness CWE-288
Published June 27, 2025
Last update June 27, 2025

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

The Simple Payment plugin for WordPress is vulnerable to Authentication Bypass in versions 1.3.6 to 2.3.8. This is due to the plugin not properly verifying a user's identity prior to logging them in through the create_user() function. This makes it possible for unauthenticated attackers to log in as administrative users.

Explanation of Vulnerability in Simple Terms

02Summary

Simple Payment versions 1.3.6 through 2.3.8 contain an authentication bypass vulnerability. An attacker can gain unauthorized access to the payment system without valid credentials. The vulnerability affects confidentiality, integrity, and availability of payment data. Update to a version newer than 2.3.8 immediately.

What an attacker can do

03Attacker Capabilities

Bypass authentication and gain full access to the payment system without valid credentials.

Potential impact on your site

04Site Impact

Attackers can read, modify, or delete payment data and customer information without authorization.

Conditions required to exploit

05Prerequisites

Network access to the Simple Payment application; no authentication or user interaction required.

Key dates

06Disclosure timeline

June 27, 2025 CVE published
June 27, 2025 Record updated